Sasami-san@Ganbaranai - S01

The Japanese call them hikikomori, people who have withdrawn from society so completely that they refuse to leave home for weeks or even months at a time. For Sasami Tsukuyomi, trying to get through her first year of high school despite being a shut-in, the word means more than that. Luckily, she lives with her older brother Kamiomi, who happens to teach at the school she is supposed to attend. She also has her "Brother Surveillance Tool," which lets her see the outside world through her computer and is supposed to help her get used to dealing with people again. Mostly, though, it lets her watch her brother's encounters with the three strange Yagami sisters, who seem to have had their ages reversed for no clear reason and show various kinds of "interest" in Kamiomi. Then things get really strange. Magical powers? Everything turning into chocolate? Is life online warping Sasami's mind, or is the universe going crazy?